Decorative case for an MP3 player device



FIG. 1 is a perspective view of the decorative case for an MP3 player device showing my new design;

FIG. 2 is front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a perspective view of the decorative case illustrating the edges of optional lights visible beneath the front surface. The optional lights and edges being shown in phantom for illustrative purposes only and forming no part of the claimed design; and,

FIG. 9 is a front view thereof. 

The ornamental design for a decorative case for an MP3 player device, as shown and described. 